CVE-2023-4795: Testimonial Slider Shortcode < 1.1.9 - Contributor+ Stored XSS

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-10-16 · updated 2026-06-17

Description

The Testimonial Slider Shortcode WordPress plugin before 1.1.9 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admin

Affected products

Testimonial Slider Shortcode: before 1.1.9 — fixed in 1.1.9

How to fix

Upgrade to a fixed version: Testimonial Slider Shortcode 1.1.9. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/b8390b4a-b43f-4bf6-a61b-dfcbc7b2e7a0
https://wpscan.com/vulnerability/b8390b4a-b43f-4bf6-a61b-dfcbc7b2e7a0

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